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1980A&AS...40..191V - Astron. Astrophys., Suppl. Ser., 40, 191-198 (1980)
A study of the 4C catalogue of radio sources, between declinations 20 deg and 40 deg. II - The sample.
VERON M.P. and VERON P.
Journal keyword(s):
Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.
Simbad objects: 189
